Server :: New Dovecot Install / User Not Known To The Underlying Authentication Module

Nov 4, 2010

Situation: fresh dovecot install. I have postfix successfully accepting and delivering mail to a virtual mailbox. I'm trying to pop that mailbox, but it can't see it. I hope someone can point out where my config is wrong.

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Security :: Dovecot User Authentication Failed

Jun 23, 2010

Im using CenOs 5 and have install a mail system(postfix+dovecot),when I trying to enable selinux for enforcing mode and i'm have some issue, the user authentication failed. How can i to fix this problem?

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Fedora Security :: Dovecot User Authentication Failed With Selinux

Jun 24, 2010

I'm using FC8 and have installed a mailserver(postfix+dovecot),when I trying to enable the selinux mode to enforcing and i'm have some issue, the user authentication failed.if turn the selinux mode to permissive, then it work right.How can i to fix this problem?

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Fedora Servers :: Dovecot Errors On One User Authentication Failure

Apr 28, 2011

I am new to to dovecot and would like some help, so please be kind.I have one user that can send mail but not read it either by pop3 or imap.I am running Dovecot 2.0.11 on Fedora 14.

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Server :: Dovecot Authentication Over TLS To LDAP Directory

Nov 12, 2010

I have Centos ( and Postfix+ldap+dovecot ) TLS works with Postfix and LDAP. When I open evolution mail client I can browse ldap tree and search for users, send-receive mails ...all fine

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Server :: TLS / SASL Authentication - Dovecot And Postfix - Does Config

Oct 14, 2010

I am running the following on CentOS 5.5 (Final)

dovecot 1.0.7
saslauthd 2.1.22

When I send an email via TLS I see the following log entries.

Code:
Oct 14 11:53:06 ns2 postfix/smtpd[11372]: connect from unknown[172.16.1.159]
Oct 14 11:53:06 ns2 postfix/smtpd[11372]: setting up TLS connection from unknown[172.16.1.159]
[Code]....

What I'm really curious about is there is an intial TLS connection with a 256 bit cipher, but then.. The last entry states "sasl_method=PLAIN" - so surely this is not encrypted? Or am I misunderstanding how it works?

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Server :: Dovecot: Local User Can't Login Imap And Pop3

Jul 3, 2011

I'm trying to configure dovecot in RHEL6, but seems system won't accept local user login. I've already disabled pam. I've tried mutt -f imap://xxxx, and Thunderbird to connect as imap and pop3, but both failed, seems dovecot won't accept the password of the login user.the dovecot info log as, Jul 03 20:48:42 imap-login: Info: Disconnected: Too many invalid commands (no auth attempts): rip=192.168.1.3, lip=192.168.1.3, mpid=0, secured

#passdb {
# driver = pam
# [session=yes] [setcred=yes] [failure_show_msg=yes] [max_requests=<n>]
# [cache_key=<key>] [<service name>]

[code]....

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OpenSUSE :: Dovecot+pam Authentication Password Mismatch?

Jun 13, 2010

I've been having enormous problems with pam authentication. I use opensuse 11.1, postfix 2.5.5, dovecot 1.1.7. , ssl, dovecot-sasl. Everything works fine within local network, but I can't log in from outside (using outlook express 6). Output of dovecot -n:

protocols: imap imaps pop3 pop3s
listen(default): *:143
listen(imap): *:143
listen(pop3): *:110

[code].....

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Red Hat / Fedora :: Dovecot On RHEL4 - Err Authentication Failed

Aug 22, 2010

I am trying to setup Postfix along with dovecot on RHEL4. I have done the necessary settings in dovecot.conf, yet I am not able to log into the POP3 server. The error I can see through WireShark/Ethereal is "Err- Authentication failed" Some of the important settings in /etc/dovecot.conf are

disable_plaintext_auth = no
auth_mechanisms = plain
auth_userdb = passwd
auth_passdb = pam
auth_user = root

The users/passwords are setup on Linux file system without MQSql or any other database. SASL etc is not configured at all.

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Ubuntu Installation :: Dovecot: No SASL Authentication Mechanisms

Aug 23, 2010

I just went through a painful upgrade from 8.04 to 10 LTS. I've made a lot of progress but am still having email problems. Dovecot seems to not be able to run, the log is continually reporting:

Aug 22 23:47:34 amd64 postfix/smtpd[22298]: fatal: no SASL authentication mechanisms

Here's this section of dovecot.conf:

auth default {
mechanisms = plain login
passdb pam {
}

[Code]....

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Server :: Configure LDAP Server For User Authentication?

Sep 26, 2010

I want to Configure Linux LDAP Server for user authentication when my users want to connect to the internet.Also i don't want the user to get the home directory on server. i configured ldap server and ldap client without PAM & SASL.and now with perl i can search in ldap for my client's username & password in ldap.

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Server :: Sasl User Authentication In Sendmail

Mar 19, 2011

I checked relay system using IP address it working gr8, but I want to implement user based authorization in relay server. but no idea where to make changes in sendmail.mc.. and my outlook asking for password again and again..whats role of openssl in user based authentication ?

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General :: Proxy Server With SQL Table User Authentication

Jun 15, 2010

How to configure proxy server with SQL table user authenticationon fedora core11

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Ubuntu Security :: Configure SSH Key-based Authentication And SSH Password Authentication In Same Machine For Different User?

Jan 10, 2010

I want to configure SSH key-based authentication and SSH password Authentication in same machine for different user .

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Server :: System Error - Authentication Failed For User Postgres

Mar 29, 2011

I made a system in CentOS5.5. I used Tomcat6 and PostgreSQL. But I couldn't enter my system. There are some error. And I don't understand what kind of error this.
JDBCExceptionReporter.logExceptions(100) | SQL Error: 0, SQLState: null
JDBCExceptionReporter.logExceptions(101) | Cannot create PoolableConnectionFactory (FATAL: Ident authentication failed for user "postgres")
"postgres" is username.
Is anybody knows anything about this error message.

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Security :: PAM Module - Allow A User To Connect To A Server Via SSH With Any Login Name Or Password

May 5, 2010

My goal is this: Allow a user to connect to a server via SSH with any login name or password without checking to see if that account exists on that server. Their account would be captured by a universal account say, 'generic_user', and then they would be directed to one of my python scripts with the username and password they supplied for initial login. At this point my script would capture their SSHD process ID and allow/deny their existence based upon a MySQL/Subscription check.

The part I'm having trouble with is with PAM and allowing the user to login with any credentials and be successfully authenticated under the generic account. Beyond that, everything is great.

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Ubuntu :: Configuring 9.10 As Client To Use Samba/LDAP Server For User Authentication?

Jan 18, 2010

how to make a new Ubuntu 9.10 box use our LDAP/Samba server for user authentication. Our Red Hat and Windows machines all use it just fine. I've been trying to use the auth-client-config and libnss-ldap packages for this purpose, but I must be missing something. I'm pretty green with LDAP, so this is my first time diving in... Is there a good How-To or step-by-step read on this? All of my searches lead me to setting up Ubuntu as the server, and that isn't what I want. I've also tried the steps listed in [URL] for the LDAP Authentication section.

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Server :: Setup User Authentication And Internet Accounting Like ISA And Active Directory In Windows?

Mar 8, 2011

setup user authentication server and internet accounting server like ISA and Active Directory in Windows?

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CentOS 5 Networking :: Configuration In Huawei Switch And Radius Server For User Authentication

Sep 25, 2009

i want to authenticate user (client) via switch to the radius server(CentOS)Can anyone tell me the authentication/authorization configuration that should be made in the switch (huawei) and the radius server(centos).Esp. the main files under /etc/raddb/ in the Server& the configuration to be made under the radius server template "test"( as of my case)...

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Fedora :: Dovecot ERR "Plaintext Authentication Disallowed On Non-secure <SSL/TLS> Connections"

Aug 17, 2011

FC15,Dovecot start is ok,when test,just error: telnet 192.168.1.20 110 +OK Dovecot ready. user test -ERR Plaintext authentication disallowed on non-secure <SSL/TLS> connections.

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General :: PAM Authentication Module - Time For SQL Table

Apr 3, 2010

PAM time restrictions - changing Time.conf so it gets time from a sql table. I was wondering with the PAM authentication module (pam_time) that I can grab time from a server using sql/postgress which uses TIMEDATE function to get the time of logging out into pam_time? So basically I want to insert sql statements into Time.conf which would get the time from a table.

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General :: Using Dovecot IMAP To Access User Mail?

May 24, 2010

I am having some trouble finding the information i need, here is what i am trying to accomplish.

1. Download POP email messages from cody@clearsky.net.au using fetchmail and assigning them to account "cody"

2. Connect and view the emails via IMAP using dovecot server logging in using "cody"

So far i have the fetchmail part working fine, but i cannot see any emails in the inbox. The messages are going thru however as they are visable in MUTT. i have edited my /etc/dovecot/dovecot.conf to change the mail directories, but no luck

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Server :: Apache Authentication: Allow LDAP Group OR User Named Guest But Not All LDAP Users?

May 25, 2011

I am using RackMonkey to map out my lab. Unfortunately, due to RM limitations, every user who accesses the site has write access UNLESS they are logged in as a user named "guest". I currently have Apache allowing only the users (sysadmins) in an LDAP group access to RM, but I would like to allow read-only access for other users as well.I found mod_authn_anon, but I am having trouble combining the two authentication methods. I am using Apache 2.2.18 (compiled myself) on SLES 11.1.

This is the common part:

Code:

AuthType Basic
AuthBasicProvider ldap anon
Order allow,deny
Allow from all

This part by itself works for the LDAP authentication:

Code:

AuthName "System Admins"
AuthLDAPURL "ldaps://example.com/ou=ldap,o=example.com?mail" SSL
Require ldap-group cn=SysAdmins,ou=memberlist,ou=groups,o=example.com

This part works by itself for guest access:

Code:

Anonymous guest
Anonymous_VerifyEmail Off
Anonymous_MustGiveEmail Off
Anonymous_LogEmail on
Require valid-user

But if I have both of the previous blocks enabled at once, then guest access does not work. If I throw in a "Satisfy any", then I am not prompted for a username at all. How can I allow access to this LDAP group and to a user named "guest", but not allow all valid LDAP users to log in?

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Server :: Su: Authentication Service Cannot Retrieve Authentication Info?

Mar 12, 2010

I have a problem with ldap client authentication in ubuntu. I am using rhel5 as openldap server and I configured ubuntu as client, when I am trying to login the following message is coming."su: Authentication service cannot retrieve authentication info. Sorry"
But when I do search through "ldapsearch" command output is coming without any errors, Can anybody explain what would be problem.

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Server :: Squid Proxy Authentication And Without Authentication

May 27, 2011

I have a network and am using squid proxy with authentication I want to create another subnet without authentication.

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Red Hat / Fedora :: Install Openssh Server With Public Key Authentication On CentOS

Apr 19, 2009

I am trying to install openssh server with public key authentication on CentOS.

But i am getting following error message: Disconnected: No supported authentication method available Server refused keys

My sshd_conf file is as follows:

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Server :: Basic Postfix And Dovecot Mail Server For A Test Environment?

Sep 16, 2009

I did a a basic install of postfix and dovecot instead of using courier-pop and courier-imap. This is only send and receiving e-mail locally within the test network 10.7.0.X and 10.0.0.X. I used:

[URL]

my postfix.conf is;

PHP Code:

[code]....

This is the error when I send an email from a local machine on the 10.0.0.X network.

PHP Code:

Jan 20 17:05:48 testbox postfix/smtpd[2491]: warning: Illegal address syntax from unknown[10.0.0.111] in MAIL command: <test@10.0.0.112> 

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Server :: Install Different Version Of Perl+module Without Affecting The Existing One ?

May 10, 2011

I need to install different version of Perl with needed modules to Test Run a perl script (ASSP) without affecting the existing one as the old version of Perl is buggy with seg fault.

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General :: Install Module U32 Into The Netfilter Module For Kernel 2.6.27

Jan 30, 2011

I need to install module u32 into the netfilter module for kernel 2.6.27.

I did not see the source code in the kernel version I have. where can I find the code for U32 module.

I have checked "netfilter.org" and looks like POM is discontinued. Is the u32 module committed to kernel version 2.6.27 or need to patch it. If yes, where can I find the patch?

I building the kernel for a MIPS processor.

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Server :: Can't Download Messages From Mail Server (Dovecot, Postfix)

Sep 29, 2010

I am running Fedora 10, Postfix and Dovecot I recently changed the password of a user using the 'passwd' command. The problem is that the user can no longer receive their email messages in Thunderbird (Authentication Error). However, they can still login using SquirrelMail and get their mail.

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